Search a number
-
+
10111102100221 = 191383138218557
BaseRepresentation
bin1001001100100010110010…
…1001100010001011111101
31022210121112002102201111011
42103020230221202023331
52311130014114201341
633300550504355221
72062334351536033
oct223105451421375
938717462381434
1010111102100221
1132491045a3361
121173723775b11
1358461ba90025
1426d54683a553
1512802db88b81
hex9322ca622fd

10111102100221 has 8 divisors (see below), whose sum is σ = 10190577844224. Its totient is φ = 10031902794480.

The previous prime is 10111102100191. The next prime is 10111102100233. The reversal of 10111102100221 is 12200120111101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10111102100221 - 215 = 10111102067453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111102100251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69036126 + ... + 69182431.

It is an arithmetic number, because the mean of its divisors is an integer number (1273822230528).

Almost surely, 210111102100221 is an apocalyptic number.

It is an amenable number.

10111102100221 is a deficient number, since it is larger than the sum of its proper divisors (79475744003).

10111102100221 is a wasteful number, since it uses less digits than its factorization.

10111102100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138219131.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111102100221 its reverse (12200120111101), we get a palindrome (22311222211322).

The spelling of 10111102100221 in words is "ten trillion, one hundred eleven billion, one hundred two million, one hundred thousand, two hundred twenty-one".

Divisors: 1 191 383 73153 138218557 26399744387 52937707331 10111102100221